html,body {
  color: rgb(48,48,48);
  background-color: #EBEBEB;
  font-family: "Helvetica Neue", "Helvetica, Arial", 
  "Hiragino Sans GB", "Hiragino Sans GB W3", "WenQuanYi Micro Hei", 
  "Microsoft YaHei UI", "Microsoft YaHei", "sans-serif";
  min-width: 360px;
}
a {
  text-decoration: none;
  cursor: pointer;
}
li {
  list-style: none;
}
/* --------------------------头部开始--------------------------- */
.header {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 190px;
  background-color: #fff;
}
.header a {
  font-size: 49px;
  color: inherit;
}
/* --------------------------头部结束--------------------------- */


/* --------------------------导航开始--------------------------- */
.nav {
  border-top: 1px solid rgb(235, 235, 235);
  border-bottom: 2px solid rgb(225, 225, 225);
  background-color: #fff;
  margin-bottom: 35px;
  text-align: center;
  font-size: 0;
}
.nav button {
  width: 25px;
  height: 56px;
  outline: none;
  border: none;
  line-height: 56px;
  background: url(../images/threeLine.png) no-repeat center;
  cursor: pointer;
}
.nav ul {
  display: none;
  justify-content: center;
  align-items: center;
}
.nav ul li {
  text-align: left;
  padding: 0 30px;
}
.nav ul li a {
  display: block;
  position: relative;
  margin-bottom: -2px;
  font-size: 14px;
  padding: 19px 21px;
  font-family: inherit;
  color: rgb(80, 80, 80);
  border-bottom:2px solid transparent;

  z-index: 10;
}
.nav ul li a:hover{
  color: #E67E22;
}
.nav ul li a.active {
  border-bottom-color: #E67E22;
}
/* --------------------------导航结束--------------------------- */


/* --------------------------主体开始--------------------------- */
/* ------------------文章开始------------------ */
.body .articles>.article {
  padding: 35px;
  margin-bottom: 35px;
  background-color: #fff;
}
/* 标题 */
.articles>.article .article-title h1 a{
  display: block;
  text-align: center;
  color: inherit;
  font-size: 35px;
  font-weight: 400;
  line-height: 1;
}
/* 作者 */
.articles>.article .article-title .author{
  margin-top: 14px;
  text-align: center;
  font-size: 14px;
  font-family: inherit;
  color: rgb(149, 149, 149);
}
.articles>.article .article-title .author a {
  color: #E67E22;
  margin: 0 7px;
}
.articles>.article .article-title .author a:hover {
  text-decoration: underline;
}
/* 正文 */
.articles>.article .article-content {
  margin: 30px 0;
  font-size: 18px;
  line-height: 1.62;
  font-family: "Georgia", "Xin Gothic", "Hiragino Sans GB", "Droid Sans Fallback", "Microsoft YaHei", "sans-serif";
}
/* 阅读全文按钮 */
.articles>.article .readAll a {
  display: inline-block;
  padding: 8px 15px;
  border-radius: 2px;
  background-color:  rgb(230, 126, 34);
  transition: background-color 0.3s;
  color: #fff;
  font-size: 14px;
  font-family: "Georgia", "Xin Gothic", "Hiragino Sans GB", "Droid Sans Fallback", "Microsoft YaHei", "sans-serif";
}
.articles>.article .readAll a:hover {
  background-color: #303030;
}
/* 文章底部 */
.articles>.article .article-footer {
  margin-top: 30px;
  border-top: 1px solid rgb(235, 235, 235);
  padding-top: 21px;
}
.articles>.article .article-footer i {
  display: inline-block;
  width: 15px;
  height: 14px;
  background-image: url(../images/file.png);
}
/* 分页 */
.articles .pager {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 35px;
}
.articles .pager i,
.articles .pager span {
  border-radius: 2px;
  color: #fff;
  height: 36px;
  background-color: #E67E22;
  user-select: none;
  text-align: center;
}
.articles .pager i {
  cursor: pointer;
  font-style: normal;
  width: 36px;
  font-size: 22px;
  line-height: 33px;
  font-weight: 300;
}
.articles .pager span {
  line-height: 36px;
  font-size: 14px;
  letter-spacing: 2.7px;
  padding: 0 14px;
  margin: 0 8px;
}
/* ------------------文章结束------------------ */


/* -------------声明、下载、标签云-------------- */
.body .statement,
.body .download,
.body .tagCloud {
  padding: 21px 30px;
  margin-bottom: 35px;
  background-color: #fff;
}
.body .statement h4,
.body .download h4,
.body .tagCloud h4 {
  position: relative;
  margin-bottom: 21px;
  color: inherit;
  font-size: 21px;
  line-height: 23px;
  font-family: inherit;
  font-weight: 400;
  padding-bottom: 7px;
  border-bottom: 1px solid rgb(235, 235, 235);
}
.body .statement h4::after,
.body .download h4::after,
.body .tagCloud h4::after {
  position: absolute;
  content: "";
  display: block;
  bottom: -1px;
  width: 90px;
  height: 1px;
  background-color: #E67E22;
}
.body .statement p {
  font-size: 14px;
  color: rgb(80, 80, 80);
  margin-bottom: 10px;
}
.body .download a {
  text-align: center;
  display: block;
  padding: 8px 15px;
  font-size: 14px;
  line-height: 20px;
  color: #fff;
  background-color: #E67E22;
  transition: background-color 0.3s;
  border-radius: 2px;
  font-family: inherit;
}
.body .download a:hover {
  background-color: #303030;
}

.body .tagCloud .tags {
  display: flex;
  flex-wrap: wrap;
}
.body .tagCloud .tags a {
  margin: 0 7px 7px 0;
  padding: 2px 7px;
  border: 1px solid rgb(235 235 235);
  color: rgb(149, 149, 149);
  font-size: 14px;
  line-height: 21px;
  font-family: inherit;
  transition: background-color 0.3s;
}
.body .tagCloud .tags a:hover {
  color: #fff;
  border: none;
  padding: 3px 8px;
  background-color: #E67E22;
}
/* -------------声明、下载、标签云-------------- */
/* --------------------------主体结束--------------------------- */


/* --------------------------脚部开始--------------------------- */
.footer {
  overflow: hidden;
  padding-top: 30px;
  background-color: #202020;
}
.footer .links>.link {
  padding: 0 30px;
  margin-bottom: 35px;
}
.footer .links>.link h4 {
  position: relative;
  margin-bottom: 21px;
  color: #fff;
  font-size: 21px;
  line-height: 23px;
  font-family: inherit;
  font-weight: 400;
  padding-bottom: 7px;
  border-bottom: 1px solid rgb(48,48,48);
}
.footer .links>.link h4::after {
  position: absolute;
  content: "";
  display: block;
  bottom: -1px;
  width: 90px;
  height: 1px;
  background-color: #E67E22;
}
.footer .links>.link .tags {
  display: flex;
  flex-wrap: wrap;
}
.footer .links>.link .tags a {
  margin: 0 7px 7px 0;
  padding: 2px 7px;
  border: 1px solid rgb(48,48,48);
  color: rgb(149, 149, 149);
  font-size: 14px;
  line-height: 21px;
  font-family: inherit;
  transition: background-color 0.3s;
}
.footer .links>.link .tags a:hover {
  color: #fff;
  border: none;
  padding: 3px 8px;
  background-color: #E67E22;
}
.footer .links:first-child>.link .tags a {
  border-color: transparent;
}
/* --------------------------脚部结束--------------------------- */


/* --------------------------版权开始--------------------------- */
.copyright {
  display: flex;
  border-top: 1px solid rgb(48, 48, 48);
  justify-content: center;
  align-items: center;
  height: 81px;
  background-color: #111111;
}
.copyright div {
  color: #555;
  font-size: 13px;
  font-family: "Helvetica Neue"," Helvetica, Arial", "Hiragino Sans GB", "Hiragino Sans GB W3", "WenQuanYi Micro Hei", "Microsoft YaHei UI", "Microsoft YaHei", "sans-serif";
}
.copyright div span {
  margin-left: 6.5px;
  margin-right: 6.5px;
}
.copyright div a {
  color: #555;
}
.copyright div a:hover {
  text-decoration: underline;
}
/* --------------------------版权结束 --------------------------- */
@media screen and (min-width:768px) {
  .nav ul {
    display: flex !important;
  }
  .nav ul li {
    padding: 0;
  }
  .nav button {
    display: none;
  }
  .nav ul li a {
    display: inline-block;
  }
}